/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2010 huliqing, huliqing.cn@gmail.com
 *
 * This file is part of QFaces.
 * QFaces is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * QFaces is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with QFaces.  If not, see <http://www.gnu.org/licenses/>.
 *
 * 这个文件是QFaces的一部分。
 * 您可以单独使用或分发这个文件，但请不要移除这个头部声明信息.
 * QFaces是一个自由软件，您可以自由分发、修改其中的源代码或者重新发布它，
 * 新的任何修改后的重新发布版必须同样在遵守LGPL3或更后续的版本协议下发布.
 * 关于LGPL协议的细则请参考COPYING、COPYING.LESSER文件，
 * 您可以在QFaces的相关目录中获得LGPL协议的副本，
 * 如果没有找到，请连接到 http://www.gnu.org/licenses/ 查看并获取副本。
 *
 * - Author: Huliqing
 * - Contact: huliqing.cn@gmail.com
 * - License: GNU Lesser General Public License (LGPL)
 * - Blog and source code availability: http://www.huliqing.name/
 */

package name.huliqing.qfaces.test.web;

import name.huliqing.qfaces.model.Item;
import name.huliqing.qfaces.model.Items;
import name.huliqing.qfaces.model.Level;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.RequestScoped;

@ManagedBean
@RequestScoped
public class LinkageBean extends Base {
    
    public Items listener(Level level) {
    
        if (level.getLevel() == 0) { // 如果触发的是第一级的选择,返回列表给第二级
            Items items = new Items();
            if ("China".equals(level.getValue())) {
                items.add(new Item("bj", "北京"));
                items.add(new Item("hn", "河南"));
                items.add(new Item("gd", "广东"));
            }
            return items;
        } else if (level.getLevel() == 1) { // 如果触发的是第二级的选择
            Items items = new Items();
            if ("gd".equals(level.getValue())) {
                items.add(new Item("gd-gz", "广州"));
                items.add(new Item("gd-sz", "深圳"));
                items.add(new Item("gd-st", "汕头"));
            }
            if ("hn".equals(level.getValue())) {
                items.add(new Item("hn-zz", "郑州"));
                items.add(new Item("hn-ly", "洛阳"));
                items.add(new Item("hn-kf", "开封"));
            }
            return items;
        } else if (level.getLevel() == 2) { // 如果触发的是第三级的选择
            Items items = new Items();
            if ("gd-gz".equals(level.getValue())) {
            	items.add(new Item("gd-gz-byq", "白云区"));
            	items.add(new Item("gd-gz-thq", "天河区"));
                items.add(new Item("gd-gz-yxq", "越秀区"));
            }
            if ("hn-zz".equals(level.getValue())) {
            	items.add(new Item("hn-zz-jsq", "金水区"));
                items.add(new Item("hn-zz-27q", "二七区"));
            }
            return items;
        } else if (level.getLevel() == 3) { // 如果触发的是第四级的选择
            Items items = new Items();
            if ("gd-gz-byq".equals(level.getValue())) {
            	items.add(new Item("gd-gz-byq-syl", "三元里"));
                items.add(new Item("gd-gz-byq-sc", "沙涌"));
                items.add(new Item("gd-gz-byq-tx", "棠下"));
                items.add(new Item("gd-gz-byq-bz", "北站"));
            }
            if ("hn-zz-jsq".equals(level.getValue())) {
            	items.add(new Item("hn-zz-jsq-jsl", "金水路"));
            	items.add(new Item("hn-zz-jsq-sg", "胜岗"));
            }
            // ... other
            return items;
        }
        return null;
    }
 
    // -----------------------
    
    private String country;
    private String province;
    private String city;
    private String area;
    private String street;
    private Integer size;
    
    public LinkageBean() {
    	// Default value
    	this.country = "China";
    	this.province = "gd";
    	this.city = "gd-gz";
    	this.area = "gd-gz-byq";
    	this.street = "gd-gz-byq-syl";
    	this.size = 1;
    }

    public String getArea() {
        return area;
    }

    public void setArea(String area) {
        this.area = area;
    }

    public String getCity() {
        return city;
    }

    public void setCity(String city) {
        this.city = city;
    }

    public String getCountry() {
        return country;
    }

    public void setCountry(String country) {
        this.country = country;
    }

    public String getProvince() {
        return province;
    }

    public void setProvince(String province) {
        this.province = province;
    }

    public String getStreet() {
        return street;
    }

    public void setStreet(String street) {
        this.street = street;
    }

	public Integer getSize() {
		return size;
	}

	public void setSize(Integer size) {
		this.size = size;
	}
	
	public String changeSize() {
		this.size = this.size == 1 ? 8 : 1;
		return null;
	}

	@Override
	public String getHtmlCode() {
		return readFile("example/ui-linkage.xhtml");
	}

	@Override
	public String getJavaCode() {
		return readFile("example/code/LinkageBean");
	}
}
